@article{ref1,
title="The allerged dangers of strenuous sports",
journal="Medical world",
year="1954",
author="Abrahams, A.",
volume="81",
number="1",
pages="34-36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7621",
doi="",
url="http://dx.doi.org/"
}